Mercurial > vim
diff src/fileio.c @ 2793:ee48b3da9d53 v7.3.172
updated for version 7.3.172
Problem: MS-Windows: rename() might delete the file if the name differs but
it's actually the same file.
Solution: Use the file handle to check if it's the same file. (Yukihiro
Nakadaira)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Thu, 05 May 2011 16:41:24 +0200 |
| parents | 25672ad7f377 |
| children | 8bd38abda314 |
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--- a/src/fileio.c +++ b/src/fileio.c @@ -6555,6 +6555,21 @@ vim_rename(from, to) use_tmp_file = TRUE; } #endif +#ifdef WIN3264 + { + BY_HANDLE_FILE_INFORMATION info1, info2; + + /* It's possible for the source and destination to be the same file. + * In that case go through a temp file name. This makes rename("foo", + * "./foo") a no-op (in a complicated way). */ + if (win32_fileinfo(from, &info1) == FILEINFO_OK + && win32_fileinfo(to, &info2) == FILEINFO_OK + && info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber + && info1.nFileIndexHigh == info2.nFileIndexHigh + && info1.nFileIndexLow == info2.nFileIndexLow) + use_tmp_file = TRUE; + } +#endif #if defined(UNIX) || defined(CASE_INSENSITIVE_FILENAME) if (use_tmp_file)